5-Bromo-3-cyano-2-(difluoromethyl)-4-iodopyridine
3-Bromo-2-chloro-5-(difluoromethyl)-6-fluoropyridine
3-Bromo-2-chloro-6-(difluoromethyl)pyridine-5-acetonitrile
6-Bromo-4-chloro-3-(difluoromethyl)-2-fluoropyridine
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